protected function _find()
 {
     if (!isset($this->_toasterOptions['containers'])) {
         return null;
     }
     $containers = $this->_toasterOptions['containers'];
     $containerKey = md5(implode('-', array($this->_name, $this->_pageId === null ? 0 : $this->_pageId, $this->_type)));
     if (!array_key_exists($containerKey, $containers)) {
         return null;
     }
     $container = $containers[$containerKey];
     if (($container['page_id'] == $this->_pageId || $container['page_id'] === null) && $container['container_type'] == $this->_type) {
         $widget = new Application_Model_Models_Container();
         $widget->setName($this->_name)->setOptions($container);
         return $widget;
     }
     return null;
 }